OpenTechnical

OT-2026-000067284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067284) never changes.

Identity and time

Publication numberOT-2026-000067284 · never reused
Internal UUID01a0ae8f-6bd6-7deb-9115-4df95ede2c43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067284
StatusPUBLIC

Content hashes

Canonical text47142157c32ed01f5350ee45c8362071e4b1401b34ffcc09436fbd502c824b6b
Markdown7fbb5aeed3a63a70e0b4a0e230c24a733eb7c058e548e7ed4c14f6fba9dcf7f0
PDF
Publication page36e9a640d58a4c0cbb876aeb1cd23110d3b4cb12046fac46415b5443f0a81b46
Manifest89ee01f179753229ebee11f9ff0e61644c031c283779ef3011d9c2ef877007a2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureqkAgwCg6NmJqxAmGLAp9dbtwkh4O+3DMNj8YfiAio/s6jPjxlDtGdu08Frawk20aHT4xS/3N1sZBYYTgxJMoBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:58.077455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067284
observed 36e9a640d58a4c0cbb876aeb1cd23110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.060699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067284/manifest.json
observed 89ee01f179753229ebee11f9ff0e6164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.044045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067284/publication.md
observed 7fbb5aeed3a63a70e0b4a0e230c24a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.023221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067284/publication.txt
observed 47142157c32ed01f5350ee45c8362071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.